What is a .DMT File And How To Open It – DeLorme


Have you came across a file with the .dmt extension, but it is a file you have never seen before? It is important to know how to open this file – in order to be able to work with it. That’s why we have made this article! You will learn how to open the .dmt file extension on various systems, what it is and how to work with it.

What is a .DMT file?

The .DMT file extension stands for DeLorme Transfer File. It was developed by DeLorme. The file has the binary format, and it is a GIS software file.

What to know

There is currently 0 software that can open the .dmt file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.